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Finding the Fourth Proportional to 552,648.10, 828,972.15 and 197,673.70

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Solution

The fourth proportional to 552,648.10, 828,972.15 and 197,673.70 is: 296,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,648.10 : 828,972.15 = 197,673.70 : x
  2. Step 2: Convert to fraction form
    552,648.10/828,972.15 = 197,673.70/x
  3. Step 3: Cross multiply
    552,648.10x = 828,972.15 × 197,673.70
  4. Step 4: Simplify right side
    552,648.10x = 163,865,992,087.46
  5. Step 5: Solve for x
    x = 163,865,992,087.46/552,648.10
  6. Step 6: Final answer
    x = 296,510.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.